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xo-reader2: support if-then-else expressions. + detailed utest

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This commit is contained in:
Roland Conybeare 2026-01-27 15:50:10 -05:00
commit c052c5c509
23 changed files with 1354 additions and 150 deletions
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52
xo-reader2/include/xo/reader2/DExpectExprSsm.hpp
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@ -41,6 +41,34 @@ namespace xo {
bool allow_defs() const noexcept { return allow_defs_; }
bool cxl_on_rightbrace() const noexcept { return cxl_on_rightbrace_; }
///@}
/** @defgroup scm-expectexpr-methods general methods **/
///@{
/** step state machine for this syntax on incoming boolean literal token @p tkk
* with overall parser state in @p p_psm
**/
void on_bool_token(const Token & tk,
ParserStateMachine * p_psm);
/** update state for this syntax on incoming f64 token @p tk,
* overall parser state in @p p_psm
**/
void on_f64_token(const Token & tk,
ParserStateMachine * p_psm);
/** update state for this syntax on incoming i64 token @p tk,
* overall parser state in @p p_psm
**/
void on_i64_token(const Token & tk,
ParserStateMachine * p_psm);
/** update state for this syntax on incoming string token @p tk,
* overall parser state in @p p_psm
**/
void on_string_token(const Token & tk,
ParserStateMachine * p_psm);
///@}
/** @defgroup scm-expectexpr-ssm-facet syntaxstatemachine facet methods **/
///@{
@ -89,30 +117,6 @@ namespace xo {
void on_singleassign_token(const Token & tk,
ParserStateMachine * p_psm);
/** update state for this syntax on incoming string token @p tk,
* overall parser state in @p p_psm
**/
void on_string_token(const Token & tk,
ParserStateMachine * p_psm);
/** update state for this syntax on incoming f64 token @p tk,
* overall parser state in @p p_psm
**/
void on_f64_token(const Token & tk,
ParserStateMachine * p_psm);
/** update state for this syntax on incoming i64 token @p tk,
* overall parser state in @p p_psm
**/
void on_i64_token(const Token & tk,
ParserStateMachine * p_psm);
/** update state for this syntax on incoming bool token @p tk,
* overall parser state in @p p_psm
**/
void on_bool_token(const Token & tk,
ParserStateMachine * p_psm);
/** update state for this syntax on incoming semicolon token @p tk,
* overall parser state in @p p_psm
**/